Home / 1,015,280.20-1,522,337.10-305,201.80

Finding the Fourth Proportional to 1,015,280.20, 1,522,337.10 and 305,201.80

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Solution

The fourth proportional to 1,015,280.20, 1,522,337.10 and 305,201.80 is: 457,627.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,280.20 : 1,522,337.10 = 305,201.80 : x
  2. Step 2: Convert to fraction form
    1,015,280.20/1,522,337.10 = 305,201.80/x
  3. Step 3: Cross multiply
    1,015,280.20x = 1,522,337.10 × 305,201.80
  4. Step 4: Simplify right side
    1,015,280.20x = 464,620,023,126.78
  5. Step 5: Solve for x
    x = 464,620,023,126.78/1,015,280.20
  6. Step 6: Final answer
    x = 457,627.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.